Search a number
-
+
68824275 = 3521370589
BaseRepresentation
bin1000001101000…
…10110011010011
311210111122011020
410012202303103
5120104334100
610455050523
71463665602
oct406426323
9153448136
1068824275
1135938773
121b070a43
1311349630
1491d7a39
1560975a0
hex41a2cd3

68824275 has 24 divisors (see below), whose sum is σ = 122544240. Its totient is φ = 33882240.

The previous prime is 68824253. The next prime is 68824277. The reversal of 68824275 is 57242886.

It is a happy number.

It is not a de Polignac number, because 68824275 - 25 = 68824243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68824277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34320 + ... + 36269.

It is an arithmetic number, because the mean of its divisors is an integer number (5106010).

Almost surely, 268824275 is an apocalyptic number.

68824275 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68824275 is a deficient number, since it is larger than the sum of its proper divisors (53719965).

68824275 is a wasteful number, since it uses less digits than its factorization.

68824275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70615 (or 70610 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 68824275 is about 8296.0397178413. The cubic root of 68824275 is about 409.8081096890.

The spelling of 68824275 in words is "sixty-eight million, eight hundred twenty-four thousand, two hundred seventy-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 70589 211767 352945 917657 1058835 1764725 2752971 4588285 5294175 13764855 22941425 68824275